Chathuranga de Silva was educated at St. Aloysius College, Galle, where he started his cricket career.

He is the elder brother of Sri Lankan All-rounder Wanindu Hasaranga de Silva.

His younger brother Wanindu Hasaranga is also a limited overs cricketer, who debuted on 2 July 2017 against Zimbabwe.

[9] In November 2021, he was selected to play for the Jaffna Kings following the players' draft for the 2021 Lanka Premier League.

[12] He was named in Sri Lanka's Twenty20 International (T20I) squad for their series against Pakistan in July 2015, but did not play any match.